public Employee GetEmployee(int id)
{
using (var entities = new EmployeesDBEntities())
{
return(entities.Employees.FirstOrDefault(x => x.ID == id));
}
}
public static bool Login(string username, string password)
{
using (var entities = new EmployeesDBEntities())
{
return(entities.Users.Any(x => x.Username == username && x.Password == password));
}
}
public Employee Get(int id)
{
using (EmployeesDBEntities entities = new EmployeesDBEntities())
{
return(entities.Employees.FirstOrDefault(e => e.ID == id));
}
}
public IEnumerable <Employee> Get()
{
using (EmployeesDBEntities entities = new EmployeesDBEntities())
{
return(entities.Employees.Take(20).ToList());
}
}
public IEnumerable <Employee> LoadEmployees()
{
string username = Thread.CurrentPrincipal.Identity.Name;
using (var entities = new EmployeesDBEntities())
{
return(entities.Employees.ToList());
}
}
public static void DeleteEmployee()
{
EmployeesDBEntities context = new EmployeesDBEntities();
var employees = context.Employees;
var employee = new Employee {
EmpID = 4
};
employees.Attach(employee);
employees.Remove(employee);
context.SaveChanges();
}
public static void LinqToEntity()
{
EmployeesDBEntities context = new EmployeesDBEntities();
var employee = context.Employees;
var empList = from emp in employee
orderby emp.Salary
select emp;
foreach (var emp in empList)
{
Console.WriteLine("EmpID: {0}, Name: {1}, Salary: {2}, SSN: {3}", emp.EmpID, emp.Name, emp.Salary, emp.SSN);
}
}
public static void ModifyEmployee()
{
EmployeesDBEntities context = new EmployeesDBEntities();
var employee = context.Employees;
var empList = from emp in employee
orderby emp.Salary
select emp;
foreach (var emp in empList)
{
if (emp.EmpID == 1)
{
emp.Name = "mathew mcdonald";
}
}
context.SaveChanges();
}
static void Main(string[] args)
{
EmployeesDBEntities context = new EmployeesDBEntities();
//var employee = new Employee()
//{
// EmpID = 1,
// Name = "Andrew",
// Salary = 35000,
// SSN = 234567,
// DeptID = 3
//};
//context.Employees.Add(employee);
//context.SaveChanges();
//LinqToEntity();
//ModifyEmployee();
DeleteEmployee();
// var employee2 = new Employee()
// {
// EmpID = 2,
// Name = "Jaffrey",
// Salary = 35000,
// SSN = 785877,
// DeptID = 3
// };
// context.Employees.Add(employee2);
// var employee3 = new Employee()
// {
// EmpID = 3,
// Name = "Ritchie",
// Salary = 35000,
// SSN = 684907,
// DeptID = 3
// };
// context.Employees.Add(employee3);
// context.SaveChanges();
}
public HttpResponseMessage Post([FromBody] Employee employee)
{
try
{
using (var entities = new EmployeesDBEntities())
{
entities.Employees.Add(employee);
entities.SaveChanges();
var message = Request.CreateResponse(HttpStatusCode.Created, employee);
message.Headers.Location = new Uri(Request.RequestUri +
employee.ID.ToString());
return(message);
}
}
catch (Exception ex)
{
return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex));
}
}
